- Verification of IP20C / IP2X protection rating (protection against solid objects ≥12.5 mm)
- Safety testing of plugs, socket-outlets, connectors, and appliance enclosures per GB 2099.1, IEC 60884, and IEC 60335
- Compliance checks in CCC, CE, UL, and other global safety certification processes
- Use in national metrology institutes, third-party testing labs, and manufacturer QA departments
- Verification of IP2X ingress protection rating (protection against ≥12.5 mm solid objects)
- Anti-electric shock testing per GB 4706 (household appliances), GB 2099 (plugs & sockets), GB 4943 (IT equipment), and IEC 60335/IEC 60884
- Use in safety compliance labs, factory QA/QC, and third-party certification bodies (e.g., for CCC, CE, UL)
- Simulates access by a human finger to assess enclosure safety design
- Verification of IP3X (protection against ≥2.5 mm solid objects) and IP4X (protection against ≥1.0 mm wires) ratings
- Safety testing per IEC 60065, IEC 60598, GB 7000, GB 8898, and other end-product safety standards
- Use in certification labs, factory QA departments, and third-party testing institutions
- Essential for CE, CCC, UL, and other global market access compliance
- Calibration of digital multimeters, clamp meters, and analog voltage/current meters
- On-site instrument maintenance and quality inspection in power utilities, railways, and industrial plants
- Metrology labs and R&D institutes requiring traceable, stable signal sources
- Standard reference source for production line testing and repair workshops
- Factory acceptance and on-site commissioning of distribution and power transformers
- Preventive maintenance and fault diagnosis of single-phase and three-phase transformers
- Verification of tap changer integrity and connection correctness
- Quality assurance in transformer repair workshops and electrical testing labs
- GB50150-2016: Electrical Equipment Installation Engineering - Electrical Equipment Handover Test Standard
- DL/T849.6-2016: General Technical Conditions for Special Test Instruments in Power Equipment - Part 6: High Voltage Resonance Test Equipment
- JB/T9641-2022: Test Transformers
- GB10229: Reactors
- GB/T.311-2012: Insulation Coordination for High Voltage Transmission and Distribution Equipment
- DL/T846-2021: General Technical Conditions for High Voltage Testing Equipment
- GB4793-2007: Safety Requirements for Electronic Measuring Instruments
- GB2900.46-83: Electrical Terminology
- GB4208-2017: Degrees of Protection Provided by Enclosures
- GB191-2018: Packaging and Storage Marking
- GB/T16927-2011: High Voltage Test Techniques
- AC withstand testing of long submersible cables
- Insulation verification for power transmission lines, transformers, motors, and switchgear
- Quality assurance in cable manufacturing, power utilities, and industrial plants
- Preventive maintenance and commissioning tests in electrical infrastructure
- DC insulation withstand and leakage current testing of ZnO and magnetic-blow surge arresters
- Dielectric integrity verification of power cables, generators, transformers, and circuit breakers
- Preventive maintenance in substations, power plants, railways, chemical facilities, and R&D institutes
- On-site commissioning and quality control of high-voltage electrical equipment
- Commissioning and maintenance testing of electromechanical, static, and digital protective relays
- Verification of overcurrent, distance, differential, voltage, frequency, and directional protection functions
- Harmonic injection and transient response analysis (up to 20th harmonic)
- Substation acceptance tests, periodic inspections, and R&D validation in utilities, industrial plants, and renewable energy facilities
- Verification of selective coordination in AC 220V/380V and DC 110V/220V power distribution systems
- Testing trip timing, arc duration, and breaking performance under simulated metallic short-circuit conditions
- Validation of residual current devices (RCDs) via leakage trip simulation
- Use in substations, power plants, data centers, rail systems, and industrial facilities for preventive maintenance and commissioning
- Compliance assessment per industry best practices for breaker grading and protection selectivity
- Insulation impulse testing of high-voltage & small/medium AC/DC motors (including automotive, pump, and fractional-horsepower types)
- Dielectric strength verification for relays, transformers, energy meters, and electromagnetic coil-based appliances
- Safety compliance testing of household appliances, low-voltage switchgear, and electronic control units
- R&D and quality assurance in motor manufacturing, appliance production, and electrical component certification labs
- DC withstand and leakage current testing of zinc oxide (ZnO) and magnetic-blow surge arresters
- Insulation integrity verification of power cables, transformers, generators, and circuit breakers
- Preventive maintenance and commissioning tests in substations, power plants, railways, and chemical facilities
- On-site R&D and quality assurance in high-voltage equipment manufacturing
- Routine preventive testing of insulating gloves and boots (required every 6 months)
- Dielectric withstand testing of insulating rods, phase comparators, and capacitive voltage detectors
- Use in power utilities, substations, maintenance workshops, and safety equipment inspection centers
- Compliance verification for occupational safety standards in all electricity-related industries
- Partial discharge (PD)-free testing of transformers, cables, switchgear, and insulating materials
- Dielectric withstand and insulation tests requiring clean sinusoidal excitation
- Frequency-variable aging and resonance tests (e.g., for GIS, CT/VT, motors)
- Calibration and validation of PD measurement systems
- R&D and quality assurance in high-voltage equipment manufacturing
- Testing and calibration of 10kV integrated pole-mounted switchgear and ring main units (RMUs)
- Validation of metering accuracy and functional performance under simulated field conditions
- Pre-certification testing for State Grid’s “Integrated Primary-Secondary Fusion Equipment Professional Inspection”
- Quality assurance in manufacturing and R&D environments
